diff --git a/readline.changes b/readline.changes
index 275174a..d81bb50 100644
--- a/readline.changes
+++ b/readline.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Thu Oct  6 11:27:00 UTC 2022 - Dr. Werner Fink <werner@suse.de>
+
+- Add patch readline82-001 and its signing readline82-001
+  * Starting a readline application with an invalid localee
+    specification for LC_ALL/LANG/LC_CTYPE can cause it crash on
+    the first call to readline.
+
 -------------------------------------------------------------------
 Tue Sep 27 07:25:51 UTC 2022 - Dr. Werner Fink <werner@suse.de>
 
diff --git a/readline.spec b/readline.spec
index c6c3593..b9db501 100644
--- a/readline.spec
+++ b/readline.spec
@@ -33,6 +33,8 @@ Source2:        baselibs.conf
 Source4:        https://tiswww.case.edu/php/chet/gpgkey.asc#/%{name}.keyring
 # signatures for official patches
 # official patches
+Patch101:       readline82-001
+Source101:      readline82-001.sig
 # local patches
 Patch200:       readline-%{version}.dif
 Patch201:       readline-6.3-input.dif
@@ -103,6 +105,7 @@ as well as programming with the interface of the readline library.
 %prep
 %setup -q -n readline-%{version}%{rextend}
 # official patches
+%patch101 -p0
 # local patches
 %patch201 -p2 -b .zerotty
 %patch202 -p2 -b .conf
diff --git a/readline82-001 b/readline82-001
new file mode 100644
index 0000000..0f684af
--- /dev/null
+++ b/readline82-001
@@ -0,0 +1,42 @@
+			   READLINE PATCH REPORT
+			   =====================
+
+Readline-Release: 8.2
+Patch-ID: readline82-001
+
+Bug-Reported-by:	Kan-Ru Chen <koster@debian.org>
+Bug-Reference-ID:
+Bug-Reference-URL:	https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1021109
+
+Bug-Description:
+
+Starting a readline application with an invalid locale specification for
+LC_ALL/LANG/LC_CTYPE can cause it crash on the first call to readline.
+
+Patch (apply with `patch -p0'):
+
+*** ../readline-8.2-patched/nls.c	2022-08-15 09:38:51.000000000 -0400
+--- nls.c	2022-10-05 09:23:22.000000000 -0400
+***************
+*** 142,145 ****
+--- 142,149 ----
+      lspec = "";
+    ret = setlocale (LC_CTYPE, lspec);	/* ok, since it does not change locale */
++   if (ret == 0 || *ret == 0)
++     ret = setlocale (LC_CTYPE, (char *)NULL);
++   if (ret == 0 || *ret == 0)
++     ret = RL_DEFAULT_LOCALE;
+  #else
+    ret = (lspec == 0 || *lspec == 0) ? RL_DEFAULT_LOCALE : lspec;
+
+*** ../readline-8.2/patchlevel	2013-11-15 08:11:11.000000000 -0500
+--- patchlevel	2014-03-21 08:28:40.000000000 -0400
+***************
+*** 1,3 ****
+  # Do not edit -- exists only for use by patch
+  
+! 0
+--- 1,3 ----
+  # Do not edit -- exists only for use by patch
+  
+! 1
diff --git a/readline82-001.sig b/readline82-001.sig
new file mode 100644
index 0000000..2977545
Binary files /dev/null and b/readline82-001.sig differ